Remove assertion which is triggered by tests
Remove assertion which is triggered by tests

oss-fuzz issue 15149 triggers this assertion. See test case here:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15149

Signed-off-by: Stefan Weil <8d4c780fcfdc41841e5070f4c43da8958ba6aec0@weilnetz.de>

UB-Mannheim/tesseract,stweil/tesseract,stweil/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,stweil/tesseract,amitdo/tesseract,amitdo/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,stweil/tesseract,tesseract-ocr/tesseract,stweil/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract